Dergi makalesi Açık Erişim
Ozturk, Ali; Duzgun, Ibrahim; Celebi, Selahattin
{ "DOI": "10.1051/epjap/2017170266", "abstract": "Measurements of the ac susceptibility in a commercial Bi:2223/Ag tape for some different ac magnetic field amplitudes, H-ac, in the presence of bias magnetic field H-dc directed along H-ac are reported. It is found that the peak values of the imaginary component of ac susceptibility x\"(max) versus H-ac trace a valley for the orientation where applied field H-a perpendicular to wide face of the tape total. We note that the observation of the valley depends on various parameters such as field dependence parameter n in the critical current density, in the simple power law expression j(c)- alpha(T)/B-n, choice of the bias field H-dc together with selected ac field amplitudes H-ac, and dimension and geometry of sample studied. Our calculations based on critical state model with j(c) - alpha(1 - T/T-cm)(p)/B-n using the fitting parameters of n - 0.25, p- 2.2, T-cm- 108 K gives quite good results to compare the experimental and calculated curves.", "author": [ { "family": "Ozturk", "given": " Ali" }, { "family": "Duzgun", "given": " Ibrahim" }, { "family": "Celebi", "given": " Selahattin" } ], "container_title": "EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS", "id": "43705", "issue": "3", "issued": { "date-parts": [ [ 2017, 1, 1 ] ] }, "title": "Effect of dc field on ac-loss peak in a commercial Bi:2223/Ag tape", "type": "article-journal", "volume": "80" }
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